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 * Copyright (c) 2022, Huawei Technologies Co., Ltd. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
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 *
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
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/*
 * @test
 * @bug 8275775
 * @summary Test jcmd VM.classes
 * @library /testlibrary
 * @run main/othervm PrintClasses
 */

import com.oracle.java.testlibrary.*;

public class PrintClasses {
  public static void main(String args[]) throws Exception {
    String pid = Integer.toString(ProcessTools.getProcessId());
    ProcessBuilder pb = new ProcessBuilder();

    pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.classes"});
    OutputAnalyzer output = new OutputAnalyzer(pb.start());
    output.shouldNotContain("instance size");
    output.shouldContain(PrintClasses.class.getSimpleName());

    pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.classes", "-verbose"});
    output = new OutputAnalyzer(pb.start());
    output.shouldContain("instance size");
    output.shouldContain(PrintClasses.class.getSimpleName());
  }
}